CVE-2020-15514
jh_captcha for Typo3 XSS Vulnerability
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
- Record
CVE-2020-15514- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
- Record
CVE-2020-15514- Updated
- 2026-11-02
EUVDEUVD-2022-1892 No score
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
- Record
EUVD-2022-1892- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-23fm-v895-3qxq
jh_captcha for Typo3 XSS Vulnerability
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
- Record
GHSA-23fm-v895-3qxq- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-23fm-v895-3qxq
jh_captcha for Typo3 XSS Vulnerability
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
- Record
GHSA-23fm-v895-3qxq- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
haffner/jh_captchaPackagist |
3.0.0 to 3.0.2 | 3.0.3 |
haffner/jh_captchaPackagist |
through 2.1.3 | 2.1.4 |
haffner/jh_captchaPackagist |
3.0.0 up to 3.0.3, plus listed versions 3.0.13.0.2 |
3.0.3 |
haffner/jh_captchaPackagist |
before 2.1.4, plus listed versions 1.3.01.3.12.0.02.1.02.1.12.1.22.1.3 |
2.1.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15514 is a medium vulnerability (CVSS 5.4) in Jh Captcha Project Captcha, published July 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. Fixed in haffner/jh_captcha 3.0.3.